<template>
  <el-form ref="deptForm" label-width="120px" :model="form" :rules="formRules">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option v-for="item in list" :key="item.id" :value="item.username" :label="item.username" />
      </el-select></el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="hCancel">取消</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { getEmployees } from '@/api/employees'
import { addDepartments, gitDepartmentDetail, updateDepartments } from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    // 定义一个校验规则函数 校验部门的编码的唯一性
    const validCode = (rule, value, callback) => {
      // 验证用户输入的value值,在整个项目中的编码是否已经存在
      // -获取整个部门的编码 编码的数组
      let existCodeList = this.originList.map(item => item.code)
      // console.log(this.originList)
      // console.log(existCodeList)
      // 如果是编辑的状态,将当前编辑的部门的编码从存在的数组中移除,然后再判断
      if (this.isEdit) {
        existCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      // 判断当前value值,是否在数组中存在
      if (existCodeList.includes(value)) {
        // 存在校验失败
        callback(new Error(`该部门编码${value}已存在`))
      } else {
        // 不存在,校验通过
        callback()
      }
    }
    // 定义一个校验规则函数 校验部门名称同级不同相同
    const validName = (rule, value, callback) => {
      // 验证用户输入的value值(部门名称),在同级部门不能重复
      // -获取整个部门的相同pid的 名称的数组
      let existNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      console.log(existNameList)
      // 编辑是找兄弟的处理
      if (this.isEdit) {
        // 只能获取到当前编辑的部门的id 获取到当前编辑部门的pid
        const pid = this.originList.find(item => item.id === this.id).pid
        // 通过pid去所有的部门数据中找当前编辑部门的所有兄弟
        const brothers = this.originList.filter(item => item.pid === pid)
        // 排除自己
        existNameList = brothers.filter(item => item.id !== this.id).map(item => item.name)
        console.log(existNameList)
      }
      // 判断当前value值,是否在数组中存在
      if (existNameList.includes(value)) {
        // 存在校验失败
        callback(new Error(`该部门名称${value}已存在`))
      } else {
        // 不存在,校验通过
        callback()
      }
    }
    return {
      list: [],
      form: {
        name: '',
        code: '',
        manager: '',
        introduce: ''
      },
      formRules: {
        name: [
          { required: true, message: '请输入部门内容!', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入1~50位的部门名称', trigger: 'blur' },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '请输入部门编码', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入1~50位的部门编码', trigger: 'blur' },
          { validator: validCode, trigger: 'blur' }

        ],
        manager: [
          { required: true, message: '请选择部门负责人!', trigger: 'change' }

        ],
        introduce: [
          { required: true, message: '请输入部门介绍!', trigger: 'blur' }

        ]
      }
    }
  },

  created() {
    this.loadEmployees()
    if (this.isEdit) this.loadDepartmentDetail()
  },
  methods: {
    // 在子组件中定义重置表单的方法 resetFields重置庚哥表单
    resetForm() {
      this.$refs.deptForm.resetFields()
      this.form = {
        name: '',
        code: '',
        manager: '',
        introduce: ''
      }
    },
    hSubmit() {
      // this.$refs.deptForm.vlaidate((valid) => {
      // if (!valid) return
      this.isEdit ? this.doEdit() : this.doAdd()
      // this.doAdd()
      // })
    },
    hCancel() {
      // 关闭弹窗  ---> 父组件
      // 子传父关闭弹窗
      this.$emit('close')
    },
    // 加载部门详情数据 填充到表单
    async loadDepartmentDetail() {
      try {
        const { data: res } = await gitDepartmentDetail(this.id)
        // console.log(res, '1111')
        this.form = res.data
      } catch (error) {
        console.log(error)
      }
    },
    // 实现编辑
    async doEdit() {
      try {
        await updateDepartments(this.form)
        // 重新渲染 关闭弹窗
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    // 实现添加子部门
    async doAdd() {
      try {
        // 确实 pid??? 需要获取
        // console.log(this.form)
        // console.log(this.id)
        await addDepartments({ pid: this.id, ...this.form })
        // console.log(res)
        // 重新渲染
        // 退出弹窗
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    // 获取部门负责人列表
    async loadEmployees() {
      try {
        const { data: res } = await getEmployees()
        // console.log(res)
        this.list = res.data
        // console.log(this.list, 'list')
      } catch (error) {
        console.log(error)
      }
    }
  }

}
</script>

<style>

</style>
